RocketChat/Rocket.Chat

import { Rooms, Users } from '@rocket.chat/models';

export default async function handleOnLogin(login) {
    if (login.user === null) {
        return this.log('Invalid handleOnLogin call');
    }
    if (!login.user.username) {
        return this.log('Invalid handleOnLogin call (Missing username)');
    }
    if (this.loggedInUsers.indexOf(login.user._id) !== -1) {
        return this.log('Duplicate handleOnLogin call');
    }

    this.loggedInUsers.push(login.user._id);

    await Users.updateOne(
        { _id: login.user._id },
        {
            $set: {
                'profile.irc.fromIRC': false,
                'profile.irc.username': `${login.user.username}-rkt`,
                'profile.irc.nick': `${login.user.username}-rkt`,
                'profile.irc.hostname': 'rocket.chat',
            },
        },
    );

    const user = await Users.findOne({
        _id: login.user._id,
    });

    this.sendCommand('registerUser', user);
    const rooms = await Rooms.findBySubscriptionUserId(user._id).toArray();

    rooms.forEach((room) => {
        if (room.t === 'd') {
            return;
        }

        this.sendCommand('joinedChannel', { room, user });
    });
}